Mixing-valve.



W. J. COOK.

MIXING VALVE.

APPLIQATION man JAN.2I, 1914.

Patented May 11,1915.

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WILLIAM J. COOK, OF ORANGE'GE'ORGIA, ASSIGNOR OF ONE-TENTH TO ADAM F.COOK, OF CHARLEROI, PEN N SYLVANLA, AND ONE-TENTH TO THOMAS C. COOK,ONE-TENTH TO JAMES L. COOK, AND ON E-TENTH. TO THOMAS F. DEAKIN AND.AIINA S. J. DEAKIN, ALL OF PITTSBURGH, PENNsYLvANIm I .MIXING-VALVE.

Specification of Letters Patent. P t nt May 11, 1 15, Application filedJanuary 21, 1914. Serial No. 813,472.

of a circular valve 12, ground to fit a seat Be it knownthat I, WILLIAMJ. (1001:, reprovided at the end of such tube; and .the siding atOrange, in the county of Cherokee inner ends of the passageways 8 areclosed and State of Georgia, a citizen of the United by means of a disk13, also ground to fit States, have invented. or discovered certain thelower portion of the plugconcavity 7. new and useful Improvements inMixing- In order to control,- with relation to the suc- Valves, of whichimprovements the followtion power of the engine, the quantity as ing isa specification. well as the relative proportion of air and The objectof my invention is to provide fuel va or or gas, these closures are conamixing valve which may be employed for nected into a single movable,member by various purposes, but which is particularly means of bolts15,- such member being held adapted to be used for effecting a thoroughmixture of air and fuel vapor or gas prior to its admission to theexplosion chamber of an internal combustion engine.

In the accompanying drawing, which forms part of my specification, Ihave illustrated the preferred embodiment of my invention.

The figure is a sectional view of the valve attached at one sidetointake pipes and on To all whom it may concern:

16, which bears at its opposite ends against the disk 13 and acotter-pin 17 extending through the tube 5. The valve vided with askeleton sleeve 18 extending loosely within the tube 5 and adapted tocause an accurate seating of both valve closures. By such constructionit will be seenthat the air will flow between the periphery of the disk13 and the tapered wall of the concavity 7 in a sleeve-like-stream, andthat the fuel gas or vapor will, by the valve 12, be deflected laterallyinto such stream, thus effecting a good mixture.

Through the plug 3 a pipe 19 extends to the engine manifold 20, and isprovided witha butterfly valve 21 adapted to be controlled by anoperator through a rod 22. Near the outlet side of the valve casingthere are a plurality of baflle plates 23, each being provided withholes 24 arranged combustion engine, the intake pipes and manifold beingshown in elevation.

In the practice of my invention I provide a single movable member forcontrolling both the air and'fuel vapor inlets, such member beingheldyieldingly in closed valve position, but opening in res onse to thesuction power of the engine an in roportion to the strength of suchpower. he valve is also constructed to efiect an intimate mixture of theair and vapor as they pass through their respective ports.

Referring now to the embodiment of my invention illustrated in thedrawing, the valve casing may be formed of a T pipeconnector 1 providedat its opposite alined openings with plugs 2 and 3, the side openingbeing provided with a. movable gate valve 4 described more particularlyhereinafter. The plug 2 is provided centrally with a tube 5 connected atits outer end to an intake pipe 6, preferably the fuel vapor pipe. Atthe inner endof this plug there is formed a concavity 7 havingtapered'sides, and, from the bottom of such concavity, a plurality ofpassageways 8 extend to an annular chamber 9 surrounding the tube 5 andconnected to an air intake pipe 10, which extends to and has its outerend open at any in air. The inner end of the tube 5 is closed by meanswhereby a more intimate mixture of the air and fuel is effected.

The gate valve 4,which closes the side outlet of the T-fitting 1, ispivoted adjacent to said outlet, as at 25, and is held yieldingly inclosed position by means of a spring 26 hearing on a stem 27 secured tothe valve. A rod 28 extends loosely through the outer end of said stem,and is provided with cotter ins 29 and 30 on opposite sides thereof assliown. The rod extends to a convenient position for an operator, as forexample the foot or dashboard 3 of an automobile, and is held yieldinglyin closed valve position by means of a spring 32. A contact collar 33 issecured'to the stem 28, and in one posiignition circuit through contactsprings 34 and 35.'

As thus constructed the valve 4 and its yieldingly in downward positionby a spring 12 is proopposite closed portions of adjacent plates,

tion of the stem completes the electrical controlling mechanism afiord.several advantages in the operation of automobiles.

' In the first place, in case of back fire from the engine, the closure4 will fly open against the pressure of the spring 26, and thus affordan escape for the gases under pressure. When thus opened it will beobserved that the outer end of the stem 27 will move to the pin of rod28 without moving such rod. In the second place, when an automobile isdescending an incline, the rod 28 may be moved to open the valve 4 andto break the electrical circuit, ,the engine still being coupled withthe driven wheels, under which conditions the engine will be cooled bythe fresh air taken into and discharged from it,and the advance of theautomobile will, on account of the resistance oiiered to the engine, bematerially retarded. Back fire from the engine will also close the valve12.

I claim as my invention:

1. In a mixing valve, the combination of a casing having openingstherein, a plug in one of said openings provided with a centralconcavity having tapered sides, a tube extending through the center ofsaid plug and extending above the bottom of the concavity, a pluralityof passageways extending through said plug from the bottom of theconcavity exterior of said tube, a closure plate for said tube extendinglaterally therefrom on all sides, an annular disk forming a closure forsaid passageways, means for connecting said closures into a singlemember, and means for holding such member yieldingly in closed valveposition.

2. In a mixing valve, the combination of a casing having atubular inletport projecting within the casing and forming with the wall thereof anannular chamber, the outer wall of said chamber tapering outwardly fromthe bottom thereof, a plate valve closing the inner end of said port andhaving a projecting flange whereby gas issuing from the port isdeflected laterally, a second inlet port entering said casing atthe'bottom of said annular chamber, a valve ring for closing the secondport, means for connecting said two valve members to operate in unison,and means for holding them yieldingly in closed position.

In testlmony whereof I have hereunto set my hand.

. WILLIAM J. COOK. Witnesses:

LUTHER F. lVEs'rBRooK, WILLIAM W. WATSON.

